import java.util.Scanner;

public class Answer1 {
    // 字母简写
    // https://www.nowcoder.com/practice/0cfa856bf0d649b88f6260d878f35bb4?tpId=290&tqId=39937&ru=/exam/oj
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);

        while(in.hasNext()){
            char ch=in.next().charAt(0);
            if(ch > 'a' && ch<'z'){
                System.out.print((char)(ch-32));
            }else{
                System.out.print(ch);
            }
        }
    }
}
